Home / 42,458.88-63,694.08-14,753.28

Finding the Fourth Proportional to 42,458.88, 63,694.08 and 14,753.28

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Solution

The fourth proportional to 42,458.88, 63,694.08 and 14,753.28 is: 22,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,458.88 : 63,694.08 = 14,753.28 : x
  2. Step 2: Convert to fraction form
    42,458.88/63,694.08 = 14,753.28/x
  3. Step 3: Cross multiply
    42,458.88x = 63,694.08 × 14,753.28
  4. Step 4: Simplify right side
    42,458.88x = 939,696,596.58
  5. Step 5: Solve for x
    x = 939,696,596.58/42,458.88
  6. Step 6: Final answer
    x = 22,131.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.